53993

Properties

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 35.at n=5A031623
• Primes of the form 16*m^2 + 169, m=1,2,3,...at n=19A087862
• Indices of 4th powers (of primes) in the 4-almost primes.at n=8A128304
• Odd primes which can never divide 2^a+2^b+1.at n=37A179113
• Primes having only {3, 5, 9} as digits.at n=40A260227
• Prime p1 of consecutive primes p1, p2, where p2 - p1 = 8, and p1, p2 are in different centuries.at n=37A287049
• Number of graph minors in the cycle graph C_n.at n=30A353206
• Prime numbersat n=5500